if ( this.freeBuffers > 0 ) {
                for ( int i = 0; i < this.cache.length; i++ ) {
                    if ( this.cache[ i ] != null ) {
                        buf = (byte[]) this.cache[ i ];
                        this.cache[ i ] = null;
                        this.freeBuffers--;
                        return buf;
                    }
                }
            }

            lhaExtractor.setMaxContentSize(100);
            lhaExtractor.getText(in, null);
            fail();
        } catch (MaxLengthExceededException e) {
            // pass
        }
        lhaExtractor.setMaxContentSize(-1);
    }

    public void test_getText_null() {
        try {
            lhaExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {

    assertThrows(NullPointerException.class, () -> getMap().replace(k0(), v0(), null));
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUE_QUERIES)
  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_wrongValueNullValueUnsupported() {
    try {
      assertFalse(getMap().replace(k0(), v3(), null));
    } catch (NullPointerException tolerated) {

abstract class EndpointPairIterator<N> extends AbstractIterator<EndpointPair<N>> {
  private final BaseGraph<N> graph;
  private final Iterator<N> nodeIterator;

  @CheckForNull
  N node = null; // null is safe as an initial value because graphs don't allow null nodes

  Iterator<N> successorIterator = ImmutableSet.<N>of().iterator();

  static <N> EndpointPairIterator<N> of(BaseGraph<N> graph) {

        if (stereotype == null) {
            // TODO: this here is fishy
            stereotype = new DefaultType(dependency.getType(), Language.NONE, "", null, false);
        }

        boolean system = dependency.getSystemPath() != null
                && !dependency.getSystemPath().isEmpty();

        Map<String, String> props = null;
        if (system) {

                modelPathTranslator != null ? modelPathTranslator : newModelPathTranslator(),
                modelUrlNormalizer != null ? modelUrlNormalizer : newModelUrlNormalizer(),
                superPomProvider != null ? superPomProvider : newSuperPomProvider(),
                inheritanceAssembler != null ? inheritanceAssembler : newInheritanceAssembler(),
                profileSelector != null ? profileSelector : newProfileSelector(),

            }
        }

        final StringBuilder resultBuf = new StringBuilder(100);
        final boolean runAll = webConfigIds == null && fileConfigIds == null && dataConfigIds == null;

        if (sessionId == null) { // create session id
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
            sessionId = sdf.format(new Date());
        }

                                if (resetArtifact.getVersion() == null && resetArtifact.getVersionRange() != null) {

                                    // go find the version. This is a total hack. See previous comment.
                                    List<ArtifactVersion> versions = resetArtifact.getAvailableVersions();
                                    if (versions == null) {
                                        try {

        searchLogList.stream().forEach(searchLog -> {
            if (searchLog.getHitCount() == null
                    || searchLog.getHitCount().longValue() < fessConfig.getSuggestMinHitCountAsInteger().longValue()) {
                return;
            }

            final String sessionId;
            if (searchLog.getUserSessionId() != null) {
                sessionId = searchLog.getUserSessionId();

   * the putIfAbsent returns a non-null value, and the case where the replace() of an observed zero
   * fails.
   */
  public void testAdd_withFailures() {
    AtomicInteger existing = new AtomicInteger(12);
    AtomicInteger existingZero = new AtomicInteger(0);

    // initial map.get()
    when(backingMap.get(KEY)).thenReturn(null);
    // since get returned null, try a putIfAbsent; that fails due to a simulated race